2 files changed, 2 insertions, 2 deletions

diff --git a/plugins/check_ping.c b/plugins/check_ping.c
index ffe7a7d5..0b2afce5 100644
--- a/plugins/check_ping.c
+++ b/plugins/check_ping.c
@@ -19,7 +19,7 @@ const char *progname = "check_ping";
 
 #define OPTIONS "\
 -H <host_address> -w <wrta>,<wpl>%% -c <crta>,<cpl>%%\n\
-       [-p packets] [-t timeout] [-L] [-4] [-6]\n"
+       [-p packets] [-t timeout] [-L] [-4|-6]\n"
 
 #define LONGOPTIONS "\
 -H, --hostname=HOST\n\
diff --git a/plugins/check_tcp.c b/plugins/check_tcp.c
index 0f19c01e..b8af1a1d 100644
--- a/plugins/check_tcp.c
+++ b/plugins/check_tcp.c
@@ -29,7 +29,7 @@ This plugin tests %s connections with the specified host.\n";
 const char *option_summary = "\
 -H host -p port [-w warn_time] [-c crit_time] [-s send_string]\n\
         [-e expect_string] [-q quit_string] [-m maxbytes] [-d delay]\n\
-        [-t to_sec] [-r refuse_state] [-v] [-4] [-6]\n";
+        [-t to_sec] [-r refuse_state] [-v] [-4|-6]\n";
 
 const char *options = "\
  -H, --hostname=ADDRESS\n\